*SUPPORT*
IN: zup kiki dax zup dax wif OUT: YELLOW PURPLE PURPLE PURPLE PURPLE
IN: fep blicket OUT: BLUE BLUE BLUE
IN: fep dax fep OUT: BLUE BLUE
IN: wif fep OUT: YELLOW BLUE
IN: wif fep kiki OUT: YELLOW BLUE BLUE BLUE
IN: tufa kiki OUT: RED RED RED
IN: fep wif blicket OUT: BLUE YELLOW BLUE YELLOW BLUE YELLOW
IN: zup OUT: PURPLE
IN: tufa dax wif OUT: YELLOW RED
IN: fep fep wif kiki OUT: BLUE BLUE YELLOW YELLOW YELLOW
IN: wif fep tufa dax tufa dax fep OUT: BLUE RED YELLOW BLUE RED
IN: wif dax zup dax fep OUT: BLUE PURPLE YELLOW
IN: fep OUT: BLUE
IN: zup wif OUT: PURPLE YELLOW

*QUERY*
IN: tufa OUT: RED
IN: wif tufa dax fep OUT: BLUE YELLOW RED
IN: tufa zup blicket OUT: RED PURPLE RED PURPLE RED PURPLE
IN: tufa zup kiki OUT: RED PURPLE PURPLE PURPLE
IN: zup zup OUT: PURPLE PURPLE
IN: tufa dax fep OUT: BLUE RED
IN: tufa blicket OUT: RED RED RED
IN: fep kiki OUT: BLUE BLUE BLUE
IN: wif tufa blicket OUT: YELLOW RED YELLOW RED YELLOW RED
IN: wif kiki dax fep OUT: BLUE YELLOW YELLOW YELLOW

*GRAMMAR*
wif -> YELLOW 
 tufa -> RED 
 fep -> BLUE 
 zup -> PURPLE 
 x1 dax u1 -> [u1] [x1] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 kiki -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 